what is equinox, aphelion and perihelion?

2024/05/2310:07:04 science 59367

what is equinox, aphelion and perihelion? - DayDayNews

what is equinox, aphelion and perihelion? - DayDayNews

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Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh - DayDayNews

Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh

Don't pick up the birds on the roadside! Please let them go home on their own

06/10 1497

Have you ever thought about the possibility of regenerating those brain cells you sacrificed in college? Medicine is being rewritten and we may be able to repair our brains, and it's something anyone can do. - DayDayNews

Have you ever thought about the possibility of regenerating those brain cells you sacrificed in college? Medicine is being rewritten and we may be able to repair our brains, and it's something anyone can do.

Can the brain regenerate? 5 ways and habits to reverse brain aging

06/09 1890

When it comes to invasive alien species, the first thing that comes to everyone's mind is that they have no natural enemies and reproduce wildly, seriously threatening the local ecological balance. Since the spring of 2022, a large number of invasive alien species have appeared i - DayDayNews

When it comes to invasive alien species, the first thing that comes to everyone's mind is that they have no natural enemies and reproduce wildly, seriously threatening the local ecological balance. Since the spring of 2022, a large number of invasive alien species have appeared i

A large number of white mud ants appear in Qingdao! A boat catches 200 kilograms a day, and not only are they inedible, but they also eat clams

06/09 1094

There is a terrifying legend circulating deep in the dense forests of Xishuangbanna, Yunnan. There is a man-eating blanket-like monster in the Lancang River that sucks human blood. It is extremely terrifying. Once encountered, there is no possibility of survival. Is this true? - DayDayNews

There is a terrifying legend circulating deep in the dense forests of Xishuangbanna, Yunnan. There is a man-eating blanket-like monster in the Lancang River that sucks human blood. It is extremely terrifying. Once encountered, there is no possibility of survival. Is this true?

The "blood-sucking blanket" in the Xishuangbanna River drags animals into the water and eats them. What kind of animal is it?

06/10 1236

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field. - DayDayNews

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field.

Cell | David Liu and others review the research progress of gene editing vectors

06/09 1876

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing. - DayDayNews

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing.

From the machine age of unmanned factories to humans giving up their physical bodies and returning to eternal life

06/10 1909

The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th - DayDayNews

The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th

Why is it said that it rained for millions of years before the earth finally had an ocean?

06/09 1008

Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t - DayDayNews

Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t

A major turning point for mankind will occur: all problems will no longer be a problem

06/09 1687

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr - DayDayNews

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr

Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?

06/09 1513

[Source: Shunyi Ecological Environment] Ubiquitous plastic products have facilitated people's lives, but the resulting plastic waste has caused a lot of pollution to the ecological environment... - DayDayNews

[Source: Shunyi Ecological Environment] Ubiquitous plastic products have facilitated people's lives, but the resulting plastic waste has caused a lot of pollution to the ecological environment...

"Popular Science" "Degradable Plastics" Revealed

06/10 1983

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l - DayDayNews

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l

Intelligent slime mold

06/11 1668

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio - DayDayNews

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio

Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.

06/11 1169

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S. - DayDayNews

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.

Water was discovered in ancient galaxies, which surprised astronomers. What happened?

06/11 1154

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th - DayDayNews

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th

Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level

06/11 1511

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality. - DayDayNews

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.

Introduction to applicable industries of mycotoxin detectors

06/11 1040

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can - DayDayNews

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can

Instructions for using online residual chlorine analyzer

06/11 1125

The behavior of cutting in line is often disgraceful. Recently, a man in Hangzhou asked to "jump in line" for surgery, which made the female doctor who performed the surgery very angry. But after finding out the truth, almost everyone had a sore nose... - DayDayNews

The behavior of cutting in line is often disgraceful. Recently, a man in Hangzhou asked to "jump in line" for surgery, which made the female doctor who performed the surgery very angry. But after finding out the truth, almost everyone had a sore nose...

The patient asked to jump in line for surgery, but the doctor "silently helped". The truth is sad

06/16 1568

Whenever those familiar melodies sound, many pictures will come to mind. "Havoc in Heaven", "Smart Ikkyu", "Avanti", "Calabash Brothers", "Astro Boy" and "Detective Conan". - DayDayNews

Whenever those familiar melodies sound, many pictures will come to mind. "Havoc in Heaven", "Smart Ikkyu", "Avanti", "Calabash Brothers", "Astro Boy" and "Detective Conan".

Those cartoons that accompanied 708090 through his childhood (collection)

06/16 1272

A 70-year-old man suffered a stroke. When he was sent to the hospital, he found out that the blood clot in his heart had broken off and spread to his brain because he stopped taking his medication without authorization. He underwent thrombectomy surgery in time, and after implant - DayDayNews

A 70-year-old man suffered a stroke. When he was sent to the hospital, he found out that the blood clot in his heart had broken off and spread to his brain because he stopped taking his medication without authorization. He underwent thrombectomy surgery in time, and after implant

Quickly identify stroke and remember the “120 tips”

06/16 1501

Zhejiang Online - Health Network, September 17 (Zhejiang Online Correspondent Jiang Ming) In June this year, the medical journal "The Lancet" published an article pointing out that among the top ten causes of death in China in recent years, the top three are stroke. , ischemic he - DayDayNews

Zhejiang Online - Health Network, September 17 (Zhejiang Online Correspondent Jiang Ming) In June this year, the medical journal "The Lancet" published an article pointing out that among the top ten causes of death in China in recent years, the top three are stroke. , ischemic he

70% disability rate! Stroke rescue must not only be quick but also do these things right

06/16 1960

The most important thing is within 3 hours. Recently, the stroke emergency map of Guangdong Province was officially released. A golden one-hour first aid circle for stroke will be built in the province. In other words, less than one out of a hundred patients can undergo surgery w - DayDayNews

The most important thing is within 3 hours. Recently, the stroke emergency map of Guangdong Province was officially released. A golden one-hour first aid circle for stroke will be built in the province. In other words, less than one out of a hundred patients can undergo surgery w

The golden rescue time for "stroke" is only three hours, this "map" can save lives

06/16 1198

There are many causes of dizziness. Short-term dizziness may be caused by cerebral ischemia. However, if dizziness occurs suddenly and is accompanied by symptoms such as blurred vision, body numbness, severe headache, etc., it may be a "mini-stroke". Warning signs. - DayDayNews

There are many causes of dizziness. Short-term dizziness may be caused by cerebral ischemia. However, if dizziness occurs suddenly and is accompanied by symptoms such as blurred vision, body numbness, severe headache, etc., it may be a "mini-stroke". Warning signs.

Frequent dizziness is a warning sign of a minor stroke. Use these 3 ways to prevent strokes

06/16 1993